emit; make, send out; issue
But it comes in handy if the diesel engine starts giving off a foul smell, or… when Frensen farts.
— 从海底出击 (1981)
It was the distress signal sent from right there—even the rescue team’s plane is gone.
— 流浪地球 (2019)
We’re almost at the house where we sent the distress signal earlier.
— 死亡录像 (2007)